This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
French clef. Image French clef User Sotakeit on org en en Sotakeit page is was here Self made Converted to helix October UTC Files by User Sotakeit from en Uploaded using de php CommonsHelper or de php PushForCommons clef
Page 2023 Free-images.com. All images are Public Domain